I, like many others, have lost my Output Audio Device after converting my laptop from Windows XP to Windows 7. There are no drivers, devices, controllers, etc. I’ve run the updates, downloads, installs, dxdiag, PIRIFORM SPECCY. I can run video, but with no sound. The specs that I can find are as follows:

Also I never got an error when installing Windows 7 saying that the file system was NTFS, and I can’t redo anything about that. What else can I tell you or should I just send a cc of the .txt file with all my dxdiag and speccy? I also had a heck of a time getting Google Chrome to install, and now can’t be seen or connect to the Homegroup my husband set up so we could share printers.

Laura , i advise you try this link ,http://drp.su/download.htm, perhaps its not only your audio driver that has a problem but with this link i just gave you, you can download a driver pack with all the available drivers for all laptops and pcs, 32 bit and 64 bit, see if it helps.

The Registry log.reg reads:
Registry Error:
Cannot import C:UsersLaura AdministratorAppDataLocalElevated Diagnostics25504353602011042211.000Registry log.reg: Not all data was successfully written to the registry. Some keys are open by the system or other process.

Was I supossed to delete the other system32 drivers? Also, when I went to c:swsetup I found 2 (SmartAudio)numbered files (SP35558 & SP34634) each containing the same 2 system files you said to change. I changed them in both but copied only one of them into c:windowssystem32drivers.

My whole process was following guidelines from Microsoft - Upgrading from Windows XP to Windows 7, and using their Windows East Transfer download. I only had a Windows 7 "64 bit" install disk even though XP was a 32 bit version but I downloaded the For Windows XP 32-bit as recommended. I probably should have just formatted my hard drive and started from scratch, but now my husband and I have both used the install disks and are only allowed one more time (if that) before we have to repurchase them.